Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IndustrialControlSystems_IndustrialControlSystems.Applications.ControlProblems.CascadeControl.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IndustrialControlSystems 1.1.0-master/package.mo", uses=false) Using package IndustrialControlSystems with version 1.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IndustrialControlSystems 1.1.0-master/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(IndustrialControlSystems.Applications.ControlProblems.CascadeControl,fileNamePrefix="IndustrialControlSystems_IndustrialControlSystems_Applications_ControlProblems_CascadeControl",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IndustrialControlSystems.Applications.ControlProblems.CascadeControl,fileNamePrefix="IndustrialControlSystems_IndustrialControlSystems_Applications_ControlProblems_CascadeControl",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001022/0.001022, allocations: 92.08 kB / 15.06 MB, free: 1.098 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0012/0.0012, allocations: 172.7 kB / 15.95 MB, free: 208 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.209/1.209, allocations: 205.4 MB / 222.1 MB, free: 5.652 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IndustrialControlSystems 1.1.0-master/package.mo): time 0.05283/0.05283, allocations: 10.74 MB / 281.1 MB, free: 10.56 MB / 238.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.0004617/0.0004617, allocations: 15.12 kB / 341.7 MB, free: 23.74 MB / 254.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.07301/0.07348, allocations: 50.01 MB / 391.7 MB, free: 5.664 MB / 286.1 MB Notification: Performance of NFInst.instantiate(IndustrialControlSystems.Applications.ControlProblems.CascadeControl): time 0.002125/0.07565, allocations: 1.925 MB / 393.7 MB, free: 3.727 MB / 286.1 MB Notification: Performance of NFInst.instExpressions: time 0.0009961/0.07666, allocations: 0.6429 MB / 394.3 MB, free: 3.082 MB / 286.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001351/0.07681, allocations: 23.81 kB / 394.3 MB, free: 3.059 MB / 286.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0001626/0.07698, allocations: 51.52 kB / 394.4 MB, free: 3.008 MB / 286.1 MB Notification: Performance of NFTyping.typeBindings: time 8.923e-05/0.07708, allocations: 27.73 kB / 394.4 MB, free: 2.98 MB / 286.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0005338/0.07762, allocations: 279.5 kB / 394.7 MB, free: 2.707 MB / 286.1 MB Notification: Performance of NFFlatten.flatten: time 0.0005471/0.07818, allocations: 0.5767 MB / 395.2 MB, free: 2.129 MB / 286.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0001442/0.07833, allocations: 77.72 kB / 395.3 MB, free: 2.051 MB / 286.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0002112/0.07855, allocations: 215 kB / 395.5 MB, free: 1.84 MB / 286.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0002442/0.0788, allocations: 215 kB / 395.7 MB, free: 1.629 MB / 286.1 MB Notification: Performance of NFPackage.collectConstants: time 4.423e-05/0.07885, allocations: 16 kB / 395.8 MB, free: 1.613 MB / 286.1 MB Notification: Performance of NFFlatten.collectFunctions: time 8.359e-05/0.07894, allocations: 35.97 kB / 395.8 MB, free: 1.578 MB / 286.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0001372/0.07909, allocations: 131.5 kB / 395.9 MB, free: 1.449 MB / 286.1 MB Notification: Performance of NFVerifyModel.verify: time 7.63e-05/0.07917, allocations: 93.45 kB / 396 MB, free: 1.352 MB / 286.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0002879/0.07947, allocations: 331.5 kB / 396.3 MB, free: 1.027 MB / 286.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.088e-06/0.07948, allocations: 0 / 396.3 MB, free: 1.027 MB / 286.1 MB Notification: Performance of FrontEnd: time 1.152e-06/0.07949, allocations: 0 / 396.3 MB, free: 1.027 MB / 286.1 MB Notification: Performance of Transformations before backend: time 5.129e-06/0.0795, allocations: 0 / 396.3 MB, free: 1.027 MB / 286.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 101 * Number of variables: 101 Notification: Performance of Generate backend data structure: time 0.00109/0.08059, allocations: 0.7424 MB / 397.1 MB, free: 244 kB / 286.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.209e-05/0.08063, allocations: 12.02 kB / 397.1 MB, free: 232 kB / 286.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 8.056e-05/0.08072, allocations: 82.53 kB / 397.2 MB, free: 140 kB / 286.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 8.383e-05/0.08081, allocations: 63.2 kB / 397.2 MB, free: 76 kB / 286.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004926/0.08131, allocations: 420.7 kB / 397.6 MB, free: 15.62 MB / 302.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.978e-05/0.08135, allocations: 36.98 kB / 397.7 MB, free: 15.59 MB / 302.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 6.301e-05/0.08141, allocations: 40 kB / 397.7 MB, free: 15.55 MB / 302.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0007206/0.08214, allocations: 491.7 kB / 398.2 MB, free: 15.04 MB / 302.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.871e-05/0.08217, allocations: 3.906 kB / 398.2 MB, free: 15.04 MB / 302.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.559e-05/0.08221, allocations: 19.98 kB / 398.2 MB, free: 15.02 MB / 302.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.076e-05/0.08223, allocations: 12 kB / 398.2 MB, free: 15.01 MB / 302.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0005467/0.08278, allocations: 327.7 kB / 398.6 MB, free: 14.69 MB / 302.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002044/0.08483, allocations: 1.602 MB / 400.2 MB, free: 13 MB / 302.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0004797/0.08533, allocations: 266.3 kB / 400.4 MB, free: 12.73 MB / 302.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001913/0.08553, allocations: 109.3 kB / 400.5 MB, free: 12.62 MB / 302.1 MB Notification: Performance of preOpt evalFunc (simulation): time 1.615e-05/0.08556, allocations: 8.219 kB / 400.5 MB, free: 12.61 MB / 302.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003269/0.08589, allocations: 199.5 kB / 400.7 MB, free: 12.41 MB / 302.1 MB Notification: Performance of pre-optimization done (n=30): time 1.663e-06/0.0859, allocations: 3.938 kB / 400.7 MB, free: 12.4 MB / 302.1 MB Notification: Performance of matching and sorting (n=30): time 0.0008076/0.08672, allocations: 0.4899 MB / 401.2 MB, free: 11.9 MB / 302.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 4.14e-05/0.08677, allocations: 59.39 kB / 401.3 MB, free: 11.83 MB / 302.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004508/0.08723, allocations: 489.8 kB / 401.8 MB, free: 11.34 MB / 302.1 MB Notification: Performance of collectPreVariables (initialization): time 3.169e-05/0.08727, allocations: 41.69 kB / 401.8 MB, free: 11.29 MB / 302.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001886/0.08747, allocations: 295.5 kB / 402.1 MB, free: 11 MB / 302.1 MB Notification: Performance of collectInitialBindings (initialization): time 7.009e-05/0.08755, allocations: 102.7 kB / 402.2 MB, free: 10.9 MB / 302.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 1.53e-05/0.08757, allocations: 8 kB / 402.2 MB, free: 10.89 MB / 302.1 MB Notification: Performance of setup shared object (initialization): time 0.0001422/0.08772, allocations: 366.8 kB / 402.6 MB, free: 10.52 MB / 302.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00021/0.08793, allocations: 125.1 kB / 402.7 MB, free: 10.4 MB / 302.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003806/0.08832, allocations: 422.6 kB / 403.1 MB, free: 9.852 MB / 302.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003049/0.08864, allocations: 211.6 kB / 403.3 MB, free: 9.645 MB / 302.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.861e-06/0.08865, allocations: 4 kB / 403.3 MB, free: 9.641 MB / 302.1 MB Notification: Performance of matching and sorting (n=80) (initialization): time 0.0008977/0.08955, allocations: 0.6255 MB / 403.9 MB, free: 9.008 MB / 302.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.738e-05/0.08958, allocations: 15.95 kB / 403.9 MB, free: 8.992 MB / 302.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.071e-05/0.0896, allocations: 8 kB / 403.9 MB, free: 8.984 MB / 302.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 2.216e-05/0.08963, allocations: 16 kB / 404 MB, free: 8.969 MB / 302.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003888/0.09002, allocations: 136.4 kB / 404.1 MB, free: 8.836 MB / 302.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.92e-05/0.09005, allocations: 23.94 kB / 404.1 MB, free: 8.812 MB / 302.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002371/0.09029, allocations: 75.27 kB / 404.2 MB, free: 8.738 MB / 302.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.969e-05/0.09034, allocations: 32 kB / 404.2 MB, free: 8.707 MB / 302.1 MB Warning: Assuming fixed start value for the following 17 variables: R.cs:DISCRETE(fixed = true ) "Pre-biased Control Signal" type: Real R.satin:DISCRETE(fixed = true ) "input of the saturation block" type: Real R_outer.CS:DISCRETE(flow=false fixed = true ) "Control signal" type: Real R_outer.cs:DISCRETE(fixed = true ) "Pre-biased Control Signal" type: Real R_outer.satin:DISCRETE(fixed = true ) "input of the saturation block" type: Real R_inner.cs:DISCRETE(fixed = true ) "Pre-biased Control Signal" type: Real R_inner.satin:DISCRETE(fixed = true ) "input of the saturation block" type: Real P_outer.Y[3]:VARIABLE(fixed = true protected = true ) type: Real [3] P_outer.U[2]:VARIABLE(fixed = true protected = true ) type: Real [2] P_outer.w:VARIABLE(fixed = true protected = true ) "proper part of the output" type: Real P2.Y[3]:VARIABLE(fixed = true protected = true ) type: Real [3] P2.U[2]:VARIABLE(fixed = true protected = true ) type: Real [2] P2.w:VARIABLE(fixed = true protected = true ) "proper part of the output" type: Real R_inner.CS:DISCRETE(flow=false fixed = true ) "Control signal" type: Real P_inner.w:VARIABLE(fixed = true protected = true ) "proper part of the output" type: Real R.CS:DISCRETE(flow=false fixed = true ) "Control signal" type: Real P1.w:VARIABLE(fixed = true protected = true ) "proper part of the output" type: Real Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 46 * Number of states: 0 () * Number of discrete variables: 32 ($PRE.R.FBout,R.FBout,$PRE.R.cs,R.cs,$PRE.R.satin,R.satin,$PRE.R_outer.CS,R_outer.CS,$PRE.R_outer.FBout,R_outer.FBout,$PRE.R_outer.cs,R_outer.cs,$PRE.R_outer.satin,R_outer.satin,$PRE.R_inner.FBout,R_inner.FBout,$PRE.R_inner.cs,R_inner.cs,$PRE.R_inner.satin,R_inner.satin,$whenCondition2,$whenCondition1,$PRE.R.CS,R.CS,$PRE.R_inner.CS,R_inner.CS,R_inner.TS_in,R_outer.TS_in,R.TS_in,R_inner.ATreq_in,R_outer.ATreq_in,R.ATreq_in) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (80): * Single equations (assignments): 80 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0002863/0.09063, allocations: 247.1 kB / 404.5 MB, free: 8.453 MB / 302.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 5.02e-05/0.09069, allocations: 47.44 kB / 404.5 MB, free: 8.406 MB / 302.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 9.666e-05/0.0908, allocations: 57 kB / 404.6 MB, free: 8.348 MB / 302.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.777e-06/0.09081, allocations: 4 kB / 404.6 MB, free: 8.344 MB / 302.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.168e-06/0.09082, allocations: 0 / 404.6 MB, free: 8.344 MB / 302.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.719e-06/0.09082, allocations: 128 / 404.6 MB, free: 8.344 MB / 302.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00039/0.09122, allocations: 429.2 kB / 405 MB, free: 7.875 MB / 302.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.545e-06/0.09124, allocations: 0 / 405 MB, free: 7.875 MB / 302.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000273/0.09152, allocations: 51.91 kB / 405 MB, free: 7.824 MB / 302.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 2.655e-06/0.09153, allocations: 0 / 405 MB, free: 7.824 MB / 302.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.933e-05/0.09158, allocations: 15.98 kB / 405.1 MB, free: 7.809 MB / 302.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.969e-06/0.09159, allocations: 7.953 kB / 405.1 MB, free: 7.801 MB / 302.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.02e-07/0.09159, allocations: 0 / 405.1 MB, free: 7.801 MB / 302.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0008224/0.09242, allocations: 0.559 MB / 405.6 MB, free: 7.223 MB / 302.1 MB Notification: Performance of postOpt removeConstants (simulation): time 8.247e-05/0.09251, allocations: 124.5 kB / 405.7 MB, free: 7.082 MB / 302.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.671e-05/0.09258, allocations: 11.98 kB / 405.8 MB, free: 7.07 MB / 302.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001348/0.09272, allocations: 15.98 kB / 405.8 MB, free: 7.055 MB / 302.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.694e-05/0.09277, allocations: 15.94 kB / 405.8 MB, free: 7.039 MB / 302.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.373e-05/0.0928, allocations: 19.92 kB / 405.8 MB, free: 7.02 MB / 302.1 MB Notification: Performance of sorting global known variables: time 0.0002977/0.0931, allocations: 318.8 kB / 406.1 MB, free: 6.711 MB / 302.1 MB Notification: Performance of sort global known variables: time 1.31e-07/0.09311, allocations: 0 / 406.1 MB, free: 6.711 MB / 302.1 MB Notification: Performance of remove unused functions: time 0.0004063/0.09352, allocations: 99.75 kB / 406.2 MB, free: 6.613 MB / 302.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 8 (P1.w,P2.Y[3],P2.U[2],P2.w,P_inner.w,P_outer.Y[3],P_outer.U[2],P_outer.w) * Number of discrete variables: 14 ($whenCondition2,$whenCondition1,R.CS,R.FBout,R.cs,R.satin,R_outer.CS,R_outer.FBout,R_outer.cs,R_outer.satin,R_inner.CS,R_inner.FBout,R_inner.cs,R_inner.satin) * Number of discrete states: 6 (R_inner.FBout,R_inner.cs,R_outer.FBout,R_outer.cs,R.FBout,R.cs) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (30): * Single equations (assignments): 18 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 12 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.001122/0.09465, allocations: 1.129 MB / 407.3 MB, free: 5.457 MB / 302.1 MB Notification: Performance of simCode: created initialization part: time 0.0006115/0.09528, allocations: 392.4 kB / 407.7 MB, free: 5.074 MB / 302.1 MB Notification: Performance of simCode: created event and clocks part: time 1.923e-06/0.09529, allocations: 1.562 kB / 407.7 MB, free: 5.074 MB / 302.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0002353/0.09553, allocations: 143.8 kB / 407.9 MB, free: 4.934 MB / 302.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002967/0.09584, allocations: 70.47 kB / 407.9 MB, free: 4.863 MB / 302.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003634/0.09949, allocations: 3.097 MB / 411 MB, free: 1.57 MB / 302.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003788/0.09988, allocations: 0.8623 MB / 411.9 MB, free: 0.6836 MB / 302.1 MB Notification: Performance of simCode: alias equations: time 0.0002207/0.1001, allocations: 92.39 kB / 412 MB, free: 0.5898 MB / 302.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001905/0.1003, allocations: 171.4 kB / 412.2 MB, free: 432 kB / 302.1 MB Notification: Performance of SimCode: time 4.1e-07/0.1003, allocations: 0 / 412.2 MB, free: 432 kB / 302.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.01998/0.1203, allocations: 7.684 MB / 419.8 MB, free: 8.855 MB / 318.1 MB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001852/0.1205, allocations: 217.3 kB / 420.1 MB, free: 8.621 MB / 318.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 1.798/1.918, allocations: 7.281 kB / 420.1 MB, free: 8.617 MB / 318.1 MB (rm -f IndustrialControlSystems_IndustrialControlSystems.Applications.ControlProblems.CascadeControl.pipe ; mkfifo IndustrialControlSystems_IndustrialControlSystems.Applications.ControlProblems.CascadeControl.pipe ; head -c 1048576 < IndustrialControlSystems_IndustrialControlSystems.Applications.ControlProblems.CascadeControl.pipe >> ../files/IndustrialControlSystems_IndustrialControlSystems.Applications.ControlProblems.CascadeControl.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_IndustrialControlSystems_IndustrialControlSystems_Applications_ControlProblems_CascadeControl_fmu --startTime=0 --stopTime=90 --timeout=50 --tolerance=1e-06 IndustrialControlSystems_IndustrialControlSystems_Applications_ControlProblems_CascadeControl.fmu > IndustrialControlSystems_IndustrialControlSystems.Applications.ControlProblems.CascadeControl.pipe 2>&1) Environment - environmentSimulation: